DE3774083D1 - OPTICAL SWITCH AND OPTICAL KEYBOARD USING THIS SWITCH. - Google Patents
OPTICAL SWITCH AND OPTICAL KEYBOARD USING THIS SWITCH.Info
- Publication number
- DE3774083D1 DE3774083D1 DE8787310007T DE3774083T DE3774083D1 DE 3774083 D1 DE3774083 D1 DE 3774083D1 DE 8787310007 T DE8787310007 T DE 8787310007T DE 3774083 T DE3774083 T DE 3774083T DE 3774083 D1 DE3774083 D1 DE 3774083D1
- Authority
- DE
- Germany
- Prior art keywords
- switch
- optical
- keyboard
- optical keyboard
- optical switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
- G02B6/353—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being a shutter, baffle, beam dump or opaque element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/968—Switches controlled by moving an element forming part of the switch using opto-electronic devices
- H03K17/969—Switches controlled by moving an element forming part of the switch using opto-electronic devices having a plurality of control members, e.g. keyboard
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
- G02B6/3548—1xN switch, i.e. one input and a selectable single output of N possible outputs
- G02B6/3552—1x1 switch, e.g. on/off switch
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
- G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
- G02B6/3574—Mechanical force, e.g. pressure variations
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
- G02B6/3582—Housing means or package or arranging details of the switching elements, e.g. for thermal isolation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17339486U JPS63174313U (en) | 1986-11-13 | 1986-11-13 | |
JP17339386U JPS6380523U (en) | 1986-11-13 | 1986-11-13 | |
JP1986173392U JPS6380522U (en) | 1986-11-13 | 1986-11-13 | |
JP26867386A JPH0785137B2 (en) | 1986-11-13 | 1986-11-13 | Light switch |
JP28487486A JPS63226618A (en) | 1986-11-29 | 1986-11-29 | Optical input keyboard system |
JP1987043022U JPS63150916U (en) | 1987-03-24 | 1987-03-24 | |
JP1987056599U JPS63164721U (en) | 1987-04-14 | 1987-04-14 | |
JP62250072A JPH0192712A (en) | 1987-10-03 | 1987-10-03 | Optical switch |
JP25007387A JPH0192713A (en) | 1987-10-03 | 1987-10-03 | Optical keyboard system |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3774083D1 true DE3774083D1 (en) | 1991-11-28 |
Family
ID=27576948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787310007T Expired - Fee Related DE3774083D1 (en) | 1986-11-13 | 1987-11-12 | OPTICAL SWITCH AND OPTICAL KEYBOARD USING THIS SWITCH. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4836636A (en) |
EP (1) | EP0269320B1 (en) |
CA (1) | CA1326892C (en) |
DE (1) | DE3774083D1 (en) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5175780A (en) * | 1988-12-29 | 1992-12-29 | Fuji Electric Co., Ltd. | Optical fiber switch |
US5034602A (en) * | 1989-07-21 | 1991-07-23 | Texas Instruments Incorporated | Optically activated keyboard for digital system having character back lighting |
KR950001730B1 (en) * | 1991-06-08 | 1995-02-28 | 주식회사 일진 | Keyboard unit |
US5212508A (en) * | 1991-06-28 | 1993-05-18 | Eastman Kodak Company | Remote photo-electric interface in camera |
DE4121977C2 (en) * | 1991-07-03 | 1994-10-27 | Wolf Gmbh Richard | Medical instrument with a contactless switch for controlling external devices |
DE4126492A1 (en) * | 1991-08-10 | 1993-02-11 | Clarson Apparatebau Gmbh | Coupling switch in light conductor signal lead - connects electro=optical transducer to opto-electrical transducer by mechanically operable multiway switch unit |
US5311410A (en) * | 1992-10-29 | 1994-05-10 | Hughes Aircraft Company | Distributed lighting system with fiber optic controls |
DE4309049C2 (en) * | 1993-03-20 | 1995-04-13 | Marquardt Gmbh | Optical switching element |
US5513286A (en) * | 1994-06-08 | 1996-04-30 | Syntec, Inc. | White light dimmer for fiber optic illumination sources |
US5802801A (en) * | 1994-12-20 | 1998-09-08 | Hohns; Charles D. | Locker door and frame assembly |
JP3552374B2 (en) * | 1995-11-30 | 2004-08-11 | ヤマハ株式会社 | Signal output device and optical sensor |
US5956444A (en) * | 1997-02-13 | 1999-09-21 | Amphenol Corporation | Radiation absorbing shield for fiber optic systems |
US6108466A (en) * | 1998-09-17 | 2000-08-22 | Lucent Technologies | Micro-machined optical switch with tapered ends |
US6205267B1 (en) * | 1998-11-20 | 2001-03-20 | Lucent Technologies | Optical switch |
US6173105B1 (en) * | 1998-11-20 | 2001-01-09 | Lucent Technologies | Optical attenuator |
US6181847B1 (en) | 1999-05-10 | 2001-01-30 | Ametek, Inc. | Optical switch |
WO2001038921A2 (en) | 1999-11-23 | 2001-05-31 | Nanovation Technologies, Inc. | An optical switch having a planar waveguide and a shutter actuator |
WO2002095944A1 (en) * | 2001-05-23 | 2002-11-28 | Koninklijke Philips Electronics N.V. | Sensor, display device and recording device |
DE10141161A1 (en) * | 2001-08-16 | 2003-02-27 | C & E Fein Gmbh & Co Kg | Optical control device |
US6614517B1 (en) * | 2001-09-18 | 2003-09-02 | Nayna Networks, Inc. | Method and computer aided apparatus for aligning large density fiber arrays |
US7042371B2 (en) * | 2004-02-24 | 2006-05-09 | Nokia Corporation | Optical keyboard with geodesic optical elements |
US7924175B2 (en) * | 2007-03-26 | 2011-04-12 | Motorola Mobility, Inc. | Optical keypad for electronic device |
US8717202B1 (en) | 2013-03-14 | 2014-05-06 | Aimpad, LLC | Force sensitive input devices and methods |
KR20150017945A (en) * | 2013-08-08 | 2015-02-23 | 삼성전자주식회사 | Signal Input Apparatus and Magnetic Resonance Imaging Apparatus comprising the same |
US20160026275A1 (en) | 2014-07-23 | 2016-01-28 | Verifone, Inc. | Data device including ofn functionality |
US11770123B2 (en) | 2018-01-05 | 2023-09-26 | Darfon Electronics Corp. | Optical keyswitch comprising a keycap having a light transmission area and a keycap projection area projected on a circuit board |
US11108393B2 (en) | 2018-01-05 | 2021-08-31 | Darfon Electronics Corp. | Optical keyswitch triggered by support mechanism having at least one rotatable frame enable a protrusion to move along with a key cap |
US10637470B2 (en) | 2018-01-05 | 2020-04-28 | Darfon Electronics Corp. | Optical keyswitch |
US10544923B1 (en) | 2018-11-06 | 2020-01-28 | Verifone, Inc. | Devices and methods for optical-based tamper detection using variable light characteristics |
TWI678716B (en) * | 2018-11-28 | 2019-12-01 | 達方電子股份有限公司 | Optical axis keyboard |
US11061482B2 (en) | 2019-01-04 | 2021-07-13 | Aimpad, LLC | Force sensitive input devices and methods |
CN111312547B (en) * | 2019-06-18 | 2023-08-04 | 光宝电子(广州)有限公司 | Key module, keyboard and electronic device using same |
US11721500B2 (en) | 2021-04-07 | 2023-08-08 | Darfon Electronics Corp. | Keyswitch assembly and support mechanism thereof |
US11735379B2 (en) | 2021-04-07 | 2023-08-22 | Darfon Electronics Corp. | Keyswitch assembly |
TWI809916B (en) | 2021-10-27 | 2023-07-21 | 達方電子股份有限公司 | Sensing keyboard and sensing keyswitch thereof |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7430645U (en) * | 1974-12-12 | Siemens Ag | Device for securing a key in a keyboard for electric typewriters or similar machines | |
US3519116A (en) * | 1968-05-16 | 1970-07-07 | Imagination Designs Eng & Sale | Optical keyboard control means with series and parallel light circuits |
US3668407A (en) * | 1970-05-28 | 1972-06-06 | Texas Instruments Inc | Optical switching for keyboard encoder |
US3787837A (en) * | 1971-04-19 | 1974-01-22 | Cogar Corp | Modular optical apparatus |
DE2139543B2 (en) * | 1971-08-06 | 1974-03-07 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Photoelectric keyboard for data input devices or the like |
US4023887A (en) * | 1972-10-30 | 1977-05-17 | General Optimation, Inc. | Optical communication, switching and control apparatus and systems and modular electro-optical logic circuits, and applications thereof |
US3856127A (en) * | 1972-11-24 | 1974-12-24 | U Halfon | Photo-optical keyboard |
US4013342A (en) * | 1975-12-19 | 1977-03-22 | Narodny Leo H | Keyboard using optical switching |
US4170731A (en) * | 1976-08-30 | 1979-10-09 | Miller Fluid Power Corporation | Fiber optic control modules and system employing the same |
US4247211A (en) * | 1978-03-04 | 1981-01-27 | Olympia Werke Ag | Optically coded keyboard arrangement |
US4327964A (en) * | 1979-12-20 | 1982-05-04 | Texas Instruments Incorporated | Snap-action fiber optic connector |
US4376566A (en) * | 1980-03-03 | 1983-03-15 | Sheltered Workshop For The Disabled, Inc. | Fiber optic switching method and apparatus with flexible shutter |
JPH0414725Y2 (en) * | 1980-09-30 | 1992-04-02 | ||
US4442425A (en) * | 1981-11-13 | 1984-04-10 | Sperry Corporation | Passive fiber optic keyboard |
US4480184A (en) * | 1982-03-16 | 1984-10-30 | Burroughs Corporation | Molded optical waveguide switching apparatus |
US4417824A (en) * | 1982-03-29 | 1983-11-29 | International Business Machines Corporation | Optical keyboard with common light transmission members |
CH659149A5 (en) * | 1982-03-29 | 1986-12-31 | Olten Ag Elektro Apparatebau | SWITCHING DEVICE WITH A SWITCHING PART AND A COMMAND AND REPORTING BUTTON STORED IN A HOUSING. |
US4741590A (en) * | 1982-09-07 | 1988-05-03 | Amp Incorporated | Fiber optic connector |
EP0106172B1 (en) * | 1982-09-23 | 1986-12-17 | AMETEK, Inc. | Self-contained optical fibre switch |
JPS6014724A (en) * | 1983-07-02 | 1985-01-25 | テー・アー・トリウムフ―アドレル・アクチエンゲゼルシヤフト | Photoelectric key unit |
US4774407A (en) * | 1986-03-04 | 1988-09-27 | Allen-Bradley Company, Inc. | Fiber optic switching system with link monitoring |
JPH06114014A (en) * | 1992-10-06 | 1994-04-26 | Olympus Optical Co Ltd | Hardness measuring apparatus for organic tissue |
-
1987
- 1987-11-09 US US07/118,065 patent/US4836636A/en not_active Expired - Fee Related
- 1987-11-12 DE DE8787310007T patent/DE3774083D1/en not_active Expired - Fee Related
- 1987-11-12 EP EP87310007A patent/EP0269320B1/en not_active Expired
- 1987-11-12 CA CA000551706A patent/CA1326892C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0269320A1 (en) | 1988-06-01 |
CA1326892C (en) | 1994-02-08 |
EP0269320B1 (en) | 1991-10-23 |
US4836636A (en) | 1989-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |